/* * Debugger x86_64 specific functions * * Copyright 2004 Vincent Béron * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "debugger.h" #if defined(__x86_64__) static unsigned be_x86_64_get_addr(HANDLE hThread, const CONTEXT* ctx, enum be_cpu_addr bca, ADDRESS64* addr) { addr->Mode = AddrModeFlat; switch (bca) { case be_cpu_addr_pc: addr->Segment = ctx->SegCs; addr->Offset = ctx->Rip; return TRUE; case be_cpu_addr_stack: addr->Segment = ctx->SegSs; addr->Offset = ctx->Rsp; return TRUE; case be_cpu_addr_frame: addr->Segment = ctx->SegSs; addr->Offset = ctx->Rbp; return TRUE; default: addr->Mode = -1; return FALSE; } } static unsigned be_x86_64_get_register_info(int regno, enum be_cpu_addr* kind) { /* this is true when running in 32bit mode... and wrong in 64 :-/ */ switch (regno) { case CV_AMD64_RIP: *kind = be_cpu_addr_pc; return TRUE; case CV_AMD64_EBP: *kind = be_cpu_addr_frame; return TRUE; case CV_AMD64_ESP: *kind = be_cpu_addr_stack; return TRUE; } return FALSE; } static void be_x86_64_single_step(CONTEXT* ctx, unsigned enable) { dbg_printf("not done single_step\n"); } static void be_x86_64_print_context(HANDLE hThread, const CONTEXT* ctx, int all_regs) { char *pt, buf[33]; dbg_printf("Register dump:\n"); strcpy(buf, " - 00 - - - "); pt = buf + strlen(buf) - 1; if (ctx->EFlags & 0x00000001) *pt-- = 'C'; /* Carry Flag */ if (ctx->EFlags & 0x00000002) *pt-- = '1'; if (ctx->EFlags & 0x00000004) *pt-- = 'P'; /* Parity Flag */ if (ctx->EFlags & 0x00000008) *pt-- = '-'; if (ctx->EFlags & 0x00000010) *pt-- = 'A'; /* Auxiliary Carry Flag */ if (ctx->EFlags & 0x00000020) *pt-- = '-'; if (ctx->EFlags & 0x00000040) *pt-- = 'Z'; /* Zero Flag */ if (ctx->EFlags & 0x00000080) *pt-- = 'S'; /* Sign Flag */ if (ctx->EFlags & 0x00000100) *pt-- = 'T'; /* Trap/Trace Flag */ if (ctx->EFlags & 0x00000200) *pt-- = 'I'; /* Interrupt Enable Flag */ if (ctx->EFlags & 0x00000400) *pt-- = 'D'; /* Direction Indicator */ if (ctx->EFlags & 0x00000800) *pt-- = 'O'; /* Overflow flags */ if (ctx->EFlags & 0x00001000) *pt-- = '1'; /* I/O Privilege Level */ if (ctx->EFlags & 0x00002000) *pt-- = '1'; /* I/O Privilege Level */ if (ctx->EFlags & 0x00004000) *pt-- = 'N'; /* Nested Task Flag */ if (ctx->EFlags & 0x00008000) *pt-- = '-'; if (ctx->EFlags & 0x00010000) *pt-- = 'R'; /* Resume Flag */ if (ctx->EFlags & 0x00020000) *pt-- = 'V'; /* Virtual Mode Flag */ if (ctx->EFlags & 0x00040000) *pt-- = 'a'; /* Alignment Check Flag */ dbg_printf(" rip:%016lx rsp:%016lx rbp:%016lx eflags:%08x (%s)\n", ctx->Rip, ctx->Rsp, ctx->Rbp, ctx->EFlags, buf); dbg_printf(" rax:%016lx rbx:%016lx rcx:%016lx rdx:%016lx\n", ctx->Rax, ctx->Rbx, ctx->Rcx, ctx->Rdx); dbg_printf(" rsi:%016lx rdi:%016lx r8:%016lx r9:%016lx r10:%016lx\n", ctx->Rsi, ctx->Rdi, ctx->R8, ctx->R9, ctx->R10 ); dbg_printf(" r11:%016lx r12:%016lx r13:%016lx r14:%016lx r15:%016lx\n", ctx->R11, ctx->R12, ctx->R13, ctx->R14, ctx->R15 ); if (all_regs) dbg_printf( "Floating point x86_64 dump not implemented\n" ); } static void be_x86_64_print_segment_info(HANDLE hThread, const CONTEXT* ctx) { } static struct dbg_internal_var be_x86_64_ctx[] = { {CV_AMD64_AL, "AL", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_char_int}, {CV_AMD64_BL, "BL", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_char_int}, {CV_AMD64_CL, "CL", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_char_int}, {CV_AMD64_DL, "DL", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_char_int}, {CV_AMD64_AH, "AH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rax)+1), dbg_itype_unsigned_char_int}, {CV_AMD64_BH, "BH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rbx)+1), dbg_itype_unsigned_char_int}, {CV_AMD64_CH, "CH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rcx)+1), dbg_itype_unsigned_char_int}, {CV_AMD64_DH, "DH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rdx)+1), dbg_itype_unsigned_char_int}, {CV_AMD64_AX, "AX", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_short_int}, {CV_AMD64_BX, "BX", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_short_int}, {CV_AMD64_CX, "CX", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_short_int}, {CV_AMD64_DX, "DX", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_short_int}, {CV_AMD64_SP, "SP", (DWORD*)FIELD_OFFSET(CONTEXT, Rsp), dbg_itype_unsigned_short_int}, {CV_AMD64_BP, "BP", (DWORD*)FIELD_OFFSET(CONTEXT, Rbp), dbg_itype_unsigned_short_int}, {CV_AMD64_SI, "SI", (DWORD*)FIELD_OFFSET(CONTEXT, Rsi), dbg_itype_unsigned_short_int}, {CV_AMD64_DI, "DI", (DWORD*)FIELD_OFFSET(CONTEXT, Rdi), dbg_itype_unsigned_short_int}, {CV_AMD64_EAX, "EAX", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_int}, {CV_AMD64_EBX, "EBX", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_int}, {CV_AMD64_ECX, "ECX", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_int}, {CV_AMD64_EDX, "EDX", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_int}, {CV_AMD64_ESP, "ESP", (DWORD*)FIELD_OFFSET(CONTEXT, Rsp), dbg_itype_unsigned_int}, {CV_AMD64_EBP, "EBP", (DWORD*)FIELD_OFFSET(CONTEXT, Rbp), dbg_itype_unsigned_int}, {CV_AMD64_ESI, "ESI", (DWORD*)FIELD_OFFSET(CONTEXT, Rsi), dbg_itype_unsigned_int}, {CV_AMD64_EDI, "EDI", (DWORD*)FIELD_OFFSET(CONTEXT, Rdi), dbg_itype_unsigned_int}, {CV_AMD64_ES, "ES", (DWORD*)FIELD_OFFSET(CONTEXT, SegEs), dbg_itype_unsigned_short_int}, {CV_AMD64_CS, "CS", (DWORD*)FIELD_OFFSET(CONTEXT, SegCs), dbg_itype_unsigned_short_int}, {CV_AMD64_SS, "SS", (DWORD*)FIELD_OFFSET(CONTEXT, SegSs), dbg_itype_unsigned_short_int}, {CV_AMD64_DS, "DS", (DWORD*)FIELD_OFFSET(CONTEXT, SegDs), dbg_itype_unsigned_short_int}, {CV_AMD64_FS, "FS", (DWORD*)FIELD_OFFSET(CONTEXT, SegFs), dbg_itype_unsigned_short_int}, {CV_AMD64_GS, "GS", (DWORD*)FIELD_OFFSET(CONTEXT, SegGs), dbg_itype_unsigned_short_int}, {CV_AMD64_FLAGS, "FLAGS", (DWORD*)FIELD_OFFSET(CONTEXT, EFlags), dbg_itype_unsigned_short_int}, {CV_AMD64_EFLAGS, "EFLAGS", (DWORD*)FIELD_OFFSET(CONTEXT, EFlags), dbg_itype_unsigned_int}, {CV_AMD64_RIP, "RIP", (DWORD*)FIELD_OFFSET(CONTEXT, Rip), dbg_itype_unsigned_int}, {CV_AMD64_RAX, "RAX", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_long_int}, {CV_AMD64_RBX, "RBX", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_long_int}, {CV_AMD64_RCX, "RCX", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_long_int}, {CV_AMD64_RDX, "RDX", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_long_int}, {CV_AMD64_RSP, "RSP", (DWORD*)FIELD_OFFSET(CONTEXT, Rsp), dbg_itype_unsigned_long_int}, {CV_AMD64_RBP, "RBP", (DWORD*)FIELD_OFFSET(CONTEXT, Rbp), dbg_itype_unsigned_long_int}, {CV_AMD64_RSI, "RSI", (DWORD*)FIELD_OFFSET(CONTEXT, Rsi), dbg_itype_unsigned_long_int}, {CV_AMD64_RDI, "RDI", (DWORD*)FIELD_OFFSET(CONTEXT, Rdi), dbg_itype_unsigned_long_int}, {CV_AMD64_R8, "R8", (DWORD*)FIELD_OFFSET(CONTEXT, R8), dbg_itype_unsigned_long_int}, {CV_AMD64_R9, "R9", (DWORD*)FIELD_OFFSET(CONTEXT, R9), dbg_itype_unsigned_long_int}, {CV_AMD64_R10, "R10", (DWORD*)FIELD_OFFSET(CONTEXT, R10), dbg_itype_unsigned_long_int}, {CV_AMD64_R11, "R11", (DWORD*)FIELD_OFFSET(CONTEXT, R11), dbg_itype_unsigned_long_int}, {CV_AMD64_R12, "R12", (DWORD*)FIELD_OFFSET(CONTEXT, R12), dbg_itype_unsigned_long_int}, {CV_AMD64_R13, "R13", (DWORD*)FIELD_OFFSET(CONTEXT, R13), dbg_itype_unsigned_long_int}, {CV_AMD64_R14, "R14", (DWORD*)FIELD_OFFSET(CONTEXT, R14), dbg_itype_unsigned_long_int}, {CV_AMD64_R15, "R15", (DWORD*)FIELD_OFFSET(CONTEXT, R15), dbg_itype_unsigned_long_int}, {0, NULL, 0, dbg_itype_none} }; static const struct dbg_internal_var* be_x86_64_init_registers(CONTEXT* ctx) { struct dbg_internal_var* div; for (div = be_x86_64_ctx; div->name; div++) div->pval = (DWORD*)((char*)ctx + (DWORD_PTR)div->pval); return be_x86_64_ctx; } static unsigned be_x86_64_is_step_over_insn(const void* insn) { dbg_printf("not done step_over_insn\n"); return FALSE; } static unsigned be_x86_64_is_function_return(const void* insn) { dbg_printf("not done is_function_return\n"); return FALSE; } static unsigned be_x86_64_is_break_insn(const void* insn) { dbg_printf("not done is_break_insn\n"); return FALSE; } static unsigned be_x86_64_is_func_call(const void* insn, ADDRESS64* callee) { dbg_printf("not done is_func_call\n"); return FALSE; } static void be_x86_64_disasm_one_insn(ADDRESS64* addr, int display) { dbg_printf("Disasm NIY\n"); } static unsigned be_x86_64_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio, CONTEXT* ctx, enum be_xpoint_type type, void* addr, unsigned long* val, unsigned size) { dbg_printf("not done insert_Xpoint\n"); return 0; } static unsigned be_x86_64_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio, CONTEXT* ctx, enum be_xpoint_type type, void* addr, unsigned long val, unsigned size) { dbg_printf("not done remove_Xpoint\n"); return FALSE; } static unsigned be_x86_64_is_watchpoint_set(const CONTEXT* ctx, unsigned idx) { dbg_printf("not done is_watchpoint_set\n"); return FALSE; } static void be_x86_64_clear_watchpoint(CONTEXT* ctx, unsigned idx) { dbg_printf("not done clear_watchpoint\n"); } static int be_x86_64_adjust_pc_for_break(CONTEXT* ctx, BOOL way) { if (way) { ctx->Rip--; return -1; } ctx->Rip++; return 1; } static int be_x86_64_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size, unsigned ext_sign, LONGLONG* ret) { dbg_printf("not done fetch_integer\n"); return FALSE; } static int be_x86_64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, long double* ret) { dbg_printf("not done fetch_float\n"); return FALSE; } struct backend_cpu be_x86_64 = { be_cpu_linearize, be_cpu_build_addr, be_x86_64_get_addr, be_x86_64_get_register_info, be_x86_64_single_step, be_x86_64_print_context, be_x86_64_print_segment_info, be_x86_64_init_registers, be_x86_64_is_step_over_insn, be_x86_64_is_function_return, be_x86_64_is_break_insn, be_x86_64_is_func_call, be_x86_64_disasm_one_insn, be_x86_64_insert_Xpoint, be_x86_64_remove_Xpoint, be_x86_64_is_watchpoint_set, be_x86_64_clear_watchpoint, be_x86_64_adjust_pc_for_break, be_x86_64_fetch_integer, be_x86_64_fetch_float, }; #endif